title: Fusion versus nonfusion in operative treatment of protrusion of an intervertebral disk.
mesh_terms: D006801:Humans; D007403:Intervertebral Disc; D007405:Intervertebral Disc Displacement / Q000601:surgery*; D019635:Neurosurgical Procedures; D019637:Orthopedic Procedures
keywords: INTERVERTEBRAL DISK DISPLACEMENT/surgery